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ANSI/ASA S3.1:1999 (R2013)
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ANSI/ASA S3.1:1999 (R2013)
Maximum Permissible Ambient Noise Levels for Audiometric Test RoomsMore info
Gives maximum permissible ambient noise levels allowed in audiometric test rooms that produce negligible masking of test signals presented at reference equivalent threshold levels specified in ANSI S3.6-1996. MPANLs are specified from 125-8000 Hz in octave and 1/3 octave band intervals for 2 audiometric testing conditions (ears covered/not covered) and 3 test frequency ranges. For use by persons testing hearing and distributors, installers, designers and manufacturers of audiometric test rooms.
| Author | Acoustical Society of America (ASA) |
|---|---|
| Editor | ASA |
| Document type | Standard |
| Format | File |
| Confirmation date | 2013-11-26 |
| Edition | 99 |
| ICS | 17.140.01 : Acoustic measurements and noise abatement in general
|
| Replace | ANSI S 3.1 (1991) |
| Year | 1990 |
| Document history | ANSI/ASA S 3.1 (1999) |
| Country | USA |
| Keyword | ANSI 3;ANSI/ASA S 3;ANSI/ASA 3;3;ANSI S 3.1;ANSI/ASA S3.1-1999 (R2013) |